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LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…
... can see this is slow (in z80 terms this is an LDIR ... zero. The linear buffer in memory wraps in a circle, the end ... is a power of 2 in length, this modular arithmetic can ... my own circular buffer code in z80 to speed things up. -
A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…
... still use animated multicolor tiles in other parts of the ... require a set of multicolored sprites for each size (thus ... matter of putting the right sprites in the right places;
[*] ... I suspect pre-defined colored sprites would be more feasible, reserving ... -
BezerkI don't think that Bezerk was ever converted to the Speccy and I've always found it a playable little arcade shooter... And Android One doesnt count!…
... i should learn to code in Z80 and make Berserk my 1st ... as pretty as possible. Learning Z80 shouldn't be much of ... by trade and have programmed in assembly in the past on a ... -
Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... will be using... Masked sprites means we can have background ... will inevitably find ourselves going in lots of strange an ... in front of him.
- Coordinate system used for detecting other sprites ... adding much to have masked sprites in a game like this), and ... -
Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... adding much to have masked sprites in a game like this), [/QUOTE ... perhaps too much optimistic but sprites are not much issue here ... to put four masked 24x24 sprites in one frame - and that ... i would think about masked sprites (and full blown background). ... -
Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... perhaps too much optimistic but sprites are not much issue here ... to put four masked 24x24 sprites in one frame - and that routine ... i would think about masked sprites (and full blown background). well ... know how I build the sprites map file.
The ... -
BezerkI don't think that Bezerk was ever converted to the Speccy and I've always found it a playable little arcade shooter... And Android One doesnt count!…
... i should learn to code in Z80 and make Berserk my 1st ... /> If you can already program in basic :) -
Help pleeease "Proving Emulator OpCode flags are correct"So I had a cunning plan... I wanted to write a test harness for Emulators that could "prove" that all opcode flags were correct. I wanted something m…
... 12 years old and DOS Z80 is even older. WinZ80 ... 13 - Using the RS232 channel" in Z80.DOC and "5.5 - The ... Interface I" in TECHINFO.DOC.
... external loops (or anything) in BASIC? Maybe I'm missing ... would kill it dead in the water anyway? -
Any good Roguelikes on the Speccy?Apart from the obvious one. Is anyone considering making one...?
... of doing all that logic in Z80 is daunting though - I was ... -
The Real Thing v EmulationFellow Specchums I'd like to canvas yourselves and get your thoughts on this subject. Using real Spectrum hardware to play games or using an emulator…
... write my first speccy game in Z80 at the moment - there's ... no way in a million years I would ... -
ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…
... FATware to load TS2068 snapshots in Z80 format running under the TC2068 ... -
ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…
... to load TS2068 snapshots in Z80 format running under the ... in 64 column screen mode. You can load spectrum Z80 ... the complete filenames instead in ESXDOS NMI menu?[/QUOTE ... ]TZX files are listed in the NMI browser, but ... show a short helpscreen in NMI menu would be ... -
Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... so we wouldn't be in such a hurry with drawing ... can see there's nothing in there that should pose a ... Spectrum. Not in number of sprites on screen, or just sprites in the game ... -
Need to scroll one column using m.c.I've used many of the available routines to scroll the entire screen in any direction, but I'm not being able to find one that would allow me to scro…
... />
Here's a snapshot in .Z80 format:
[url]http ... -
Need to scroll one column using m.c.I've used many of the available routines to scroll the entire screen in any direction, but I'm not being able to find one that would allow me to scro…
... />
Here's a snapshot in .Z80 format:
[url]http ... -
The Way of the Exploding T**sHaving loaded The Way of the Exploding Tits in hope of submitting a loading screen for it it turns out there is no loading screen for it.
If you look at the basic area in .z80, there is no instruction for loading screen, just clear 29856:load""code:randomize usr 34697. So it's 99% probability what game did'nt have loading screen before being snapshoted. -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... an extra row for drawing in new blocks.
Although ... can just redraw one tile in your new row, so they ... a frame to draw the sprites in. And if you sort them ... -
Sonic Game PossibleIs a sonic game possible on the ZX Spectrum 48k? I read somewhere that someone tried to create a sonic game for the ZX Spectrum, but the only [url=ht…
Just change all the sprites in Turbo the Tortoise, increase your emulator speed by 20% and voila! Sonic! :D -
Sonic Game PossibleIs a sonic game possible on the ZX Spectrum 48k? I read somewhere that someone tried to create a sonic game for the ZX Spectrum, but the only [url=ht…
... ;629207]Just change all the sprites in Turbo the Tortoise, increase your ... a whole new routine and in those days he wanted a ... -
FBZX Wii ReleasedJust tried this out on my Wii and it seems pretty good. 128K AY sound not very good but the emulator is highly configurable. Not bad for a first rele…
... volume
- Fixed some bugs in Z80 emulation. Ant Attack works now ... -
Rubbish Arcade versions questions.Are there any of the following games where the conversions could have been done much better on the Speccy 48/128?. 1) Kung Fu Master is surely one …
... too hard to fit massive sprites in and the screen scrolls up ... should have down sized the sprites and got the game running ... -
Spectrumpedia - the Spectrum encyclopedia.Dear fellow Spec-chums, it is with great pride that I present you the result of an intense work of research I have been carrying out lately. It is …
... at page 101;
[*] the sprites in the picture at page 498 ... instead of "R-Tape", and in the text below he is ... ';
[*] Z88DK has been added in the section of utilities for ... -
Multiply the value of 'a' by 5Is there a way of multiplying the value of 'a' by 5? I've tried 'add a,a' etc. but only get multiples of 2...
... how you might do this in Z80? Bit commands? -
Multiply the value of 'a' by 5Is there a way of multiplying the value of 'a' by 5? I've tried 'add a,a' etc. but only get multiples of 2...
... how you might do this in Z80? Bit commands?[/QUOTE]
no ... /> and regarding the reading bits in sequence the usual way is ... -
Multiply the value of 'a' by 5Is there a way of multiplying the value of 'a' by 5? I've tried 'add a,a' etc. but only get multiples of 2...
Changing the colour Atributes at y,x (+3e BASIC)Hello there my fellow WoS'ers I am currently writing away on my +3e and I am wonder is there a way I can just effect the Paper / Ink attributes at Y…
BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …
Hmmm, I think I might just take a look at this in Z80, looks like it could be fun...
:)80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... stack pointer is stored in the ATTR-T system ... the same 8k appears repeated in the full 64k area.[/quote ... up in the QL in 1984, was originally written in Z80 for ... use the hi-res mode in the Pandora. These projects ... independent colour selection in hi-res mode.redirecting Z80 sub-routine CALLsI'm working on changing a TR-DOS disk program to work from standard +128k tape and thought that rather than painstakingly working through the code ma…
... determine what sectors are read in where and when and the ... of the disk read calls in those code blocks it would ... any way to code this in Z80 assembler to work automatically, or ... ), the rest you could do in software.Z80 snapshot formatI read documentation for Z80 snapshot on WOS and see in table possibility insert ROM image to Z80 file. Here is full table: [code]The pages are numb…
... came with Gerton Lunter's Z80 emulator. The emulator can be ... .globalnet.co.uk/~jg27paw4/pourri/z80-emulator-dos-utils.zip]here ... provided to registered users of Z80, but which I got permission ... make freely available. The Z80 installer in z80-400.zip on WoS does ...